X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f68c6b523c1117c90c1cf690745c807bc024789d..5fa150e233fa449ee270ac26ecf074f5c40acb1e:/src/common/textcmn.cpp

diff --git a/src/common/textcmn.cpp b/src/common/textcmn.cpp
index 437334ff5d..6f53679d6b 100644
--- a/src/common/textcmn.cpp
+++ b/src/common/textcmn.cpp
@@ -1,22 +1,18 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        common/textcmn.cpp
+// Name:        src/common/textcmn.cpp
 // Purpose:     implementation of platform-independent functions of wxTextCtrl
 // Author:      Julian Smart
 // Modified by:
 // Created:     13.07.99
 // RCS-ID:      $Id$
-// Copyright:   (c) wxWindows team
-// Licence:     wxWindows license
+// Copyright:   (c) wxWidgets team
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 // declarations
 // ============================================================================
 
-#ifdef __GNUG__
-    #pragma implementation "textctrlbase.h"
-#endif
-
 // for compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -24,12 +20,17 @@
     #pragma hdrstop
 #endif
 
+#ifndef WX_PRECOMP
+    #include "wx/event.h"
+#endif // WX_PRECOMP
+
 #if wxUSE_TEXTCTRL
 
+#include "wx/textctrl.h"
+
 #ifndef WX_PRECOMP
     #include "wx/intl.h"
     #include "wx/log.h"
-    #include "wx/textctrl.h"
 #endif // WX_PRECOMP
 
 #include "wx/ffile.h"
@@ -53,22 +54,38 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_ENTER)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_URL)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_MAXLEN)
 
+IMPLEMENT_ABSTRACT_CLASS(wxTextCtrlBase, wxControl)
+
 // ----------------------------------------------------------------------------
-// ctor
+// style functions - not implemented here
 // ----------------------------------------------------------------------------
 
-wxTextCtrlBase::wxTextCtrlBase()
+wxTextAttr::wxTextAttr(const wxColour& colText,
+               const wxColour& colBack,
+               const wxFont& font,
+               wxTextAttrAlignment alignment)
+    : m_colText(colText), m_colBack(colBack), m_font(font), m_textAlignment(alignment)
 {
+    m_flags = 0;
+    m_leftIndent = 0;
+    m_leftSubIndent = 0;
+    m_rightIndent = 0;
+    if (m_colText.Ok()) m_flags |= wxTEXT_ATTR_TEXT_COLOUR;
+    if (m_colBack.Ok()) m_flags |= wxTEXT_ATTR_BACKGROUND_COLOUR;
+    if (m_font.Ok()) m_flags |= wxTEXT_ATTR_FONT;
+    if (alignment != wxTEXT_ALIGNMENT_DEFAULT)
+        m_flags |= wxTEXT_ATTR_ALIGNMENT;
 }
 
-wxTextCtrlBase::~wxTextCtrlBase()
+void wxTextAttr::Init()
 {
+    m_textAlignment = wxTEXT_ALIGNMENT_DEFAULT;
+    m_flags = 0;
+    m_leftIndent = 0;
+    m_leftSubIndent = 0;
+    m_rightIndent = 0;
 }
 
-// ----------------------------------------------------------------------------
-// style functions - not implemented here
-// ----------------------------------------------------------------------------
-
 /* static */
 wxTextAttr wxTextAttr::Combine(const wxTextAttr& attr,
                                const wxTextAttr& attrDef,
@@ -101,15 +118,58 @@ wxTextAttr wxTextAttr::Combine(const wxTextAttr& attr,
             colBg = text->GetBackgroundColour();
     }
 
-    return wxTextAttr(colFg, colBg, font);
+    wxTextAttr newAttr(colFg, colBg, font);
+
+    if (attr.HasAlignment())
+        newAttr.SetAlignment(attr.GetAlignment());
+    else if (attrDef.HasAlignment())
+        newAttr.SetAlignment(attrDef.GetAlignment());
+
+    if (attr.HasTabs())
+        newAttr.SetTabs(attr.GetTabs());
+    else if (attrDef.HasTabs())
+        newAttr.SetTabs(attrDef.GetTabs());
+
+    if (attr.HasLeftIndent())
+        newAttr.SetLeftIndent(attr.GetLeftIndent(), attr.GetLeftSubIndent());
+    else if (attrDef.HasLeftIndent())
+        newAttr.SetLeftIndent(attrDef.GetLeftIndent(), attr.GetLeftSubIndent());
+
+    if (attr.HasRightIndent())
+        newAttr.SetRightIndent(attr.GetRightIndent());
+    else if (attrDef.HasRightIndent())
+        newAttr.SetRightIndent(attrDef.GetRightIndent());
+
+    return newAttr;
+}
+
+void wxTextAttr::operator= (const wxTextAttr& attr)
+{
+    m_font = attr.m_font;
+    m_colText = attr.m_colText;
+    m_colBack = attr.m_colBack;
+    m_textAlignment = attr.m_textAlignment;
+    m_leftIndent = attr.m_leftIndent;
+    m_leftSubIndent = attr.m_leftSubIndent;
+    m_rightIndent = attr.m_rightIndent;
+    m_tabs = attr.m_tabs;
+    m_flags = attr.m_flags;
 }
 
+
 // apply styling to text range
 bool wxTextCtrlBase::SetStyle(long WXUNUSED(start), long WXUNUSED(end),
                               const wxTextAttr& WXUNUSED(style))
 {
     // to be implemented in derived TextCtrl classes
-    return FALSE;
+    return false;
+}
+
+// get the styling at the given position
+bool wxTextCtrlBase::GetStyle(long WXUNUSED(position), wxTextAttr& WXUNUSED(style))
+{
+    // to be implemented in derived TextCtrl classes
+    return false;
 }
 
 // change default text attributes
@@ -123,7 +183,7 @@ bool wxTextCtrlBase::SetDefaultStyle(const wxTextAttr& style)
     else
         m_defaultStyle = wxTextAttr::Combine(style, m_defaultStyle, this);
 
-    return TRUE;
+    return true;
 }
 
 // get default text attributes
@@ -136,7 +196,7 @@ const wxTextAttr& wxTextCtrlBase::GetDefaultStyle() const
 // file IO functions
 // ----------------------------------------------------------------------------
 
-bool wxTextCtrlBase::LoadFile(const wxString& filename)
+bool wxTextCtrlBase::DoLoadFile(const wxString& filename, int WXUNUSED(fileType))
 {
 #if wxUSE_FFILE
     wxFFile file(filename);
@@ -151,43 +211,49 @@ bool wxTextCtrlBase::LoadFile(const wxString& filename)
 
             m_filename = filename;
 
-            return TRUE;
+            return true;
         }
     }
 
     wxLogError(_("File couldn't be loaded."));
 #endif // wxUSE_FFILE
 
-    return FALSE;
+    return false;
 }
 
-bool wxTextCtrlBase::SaveFile(const wxString& filename)
+bool wxTextCtrlBase::SaveFile(const wxString& filename, int fileType)
 {
-    wxString filenameToUse = filename.IsEmpty() ? m_filename : filename;
-    if ( !filenameToUse )
+    wxString filenameToUse = filename.empty() ? m_filename : filename;
+    if ( filenameToUse.empty() )
     {
         // what kind of message to give? is it an error or a program bug?
         wxLogDebug(wxT("Can't save textctrl to file without filename."));
 
-        return FALSE;
+        return false;
     }
 
+    return DoSaveFile(filenameToUse, fileType);
+}
+
+bool wxTextCtrlBase::DoSaveFile(const wxString& filename, int WXUNUSED(fileType))
+{
 #if wxUSE_FFILE
     wxFFile file(filename, _T("w"));
     if ( file.IsOpened() && file.Write(GetValue()) )
     {
+        // if it worked, save for future calls
+        m_filename = filename;
+
         // it's not modified any longer
         DiscardEdits();
 
-        m_filename = filename;
-
-        return TRUE;
+        return true;
     }
+#endif // wxUSE_FFILE
 
     wxLogError(_("The text couldn't be saved."));
-#endif // wxUSE_FFILE
 
-    return FALSE;
+    return false;
 }
 
 // ----------------------------------------------------------------------------
@@ -241,7 +307,7 @@ wxTextCtrl& wxTextCtrlBase::operator<<(const wxChar c)
 // streambuf methods implementation
 // ----------------------------------------------------------------------------
 
-#ifndef NO_TEXT_WINDOW_STREAM
+#if wxHAS_TEXT_WINDOW_STREAM
 
 int wxTextCtrlBase::overflow(int c)
 {
@@ -251,7 +317,7 @@ int wxTextCtrlBase::overflow(int c)
     return 0;
 }
 
-#endif // NO_TEXT_WINDOW_STREAM
+#endif // wxHAS_TEXT_WINDOW_STREAM
 
 // ----------------------------------------------------------------------------
 // clipboard stuff
@@ -281,11 +347,16 @@ bool wxTextCtrlBase::CanPaste() const
 // emulating key presses
 // ----------------------------------------------------------------------------
 
+#ifdef __WIN32__
+// the generic version is unused in wxMSW
+bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& WXUNUSED(event))
+{
+    return false;
+}
+#else // !__WIN32__
 bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& event)
 {
-    // the generic version is unused in wxMSW
-#ifndef __WIN32__
-    wxChar ch;
+    wxChar ch = 0;
     int keycode = event.GetKeyCode();
     switch ( keycode )
     {
@@ -299,7 +370,7 @@ bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& event)
         case WXK_NUMPAD7:
         case WXK_NUMPAD8:
         case WXK_NUMPAD9:
-            ch = _T('0') + keycode - WXK_NUMPAD0;
+            ch = (wxChar)(_T('0') + keycode - WXK_NUMPAD0);
             break;
 
         case WXK_MULTIPLY:
@@ -331,9 +402,8 @@ bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& event)
         case WXK_NUMPAD_DELETE:
             // delete the character at cursor
             {
-                const long pos = GetInsertionPoint(),
-                           last = GetLastPosition();
-                if ( pos < last )
+                const long pos = GetInsertionPoint();
+                if ( pos < GetLastPosition() )
                     Remove(pos, pos + 1);
             }
             break;
@@ -348,6 +418,13 @@ bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& event)
             break;
 
         default:
+#if wxUSE_UNICODE
+            if ( event.GetUnicodeKey() )
+            {
+                ch = event.GetUnicodeKey();
+            }
+            else
+#endif
             if ( keycode < 256 && keycode >= 0 && wxIsprint(keycode) )
             {
                 // FIXME this is not going to work for non letters...
@@ -368,12 +445,12 @@ bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& event)
     {
         WriteText(ch);
 
-        return TRUE;
+        return true;
     }
-#endif // !__WIN32__
 
-    return FALSE;
+    return false;
 }
+#endif // !__WIN32__
 
 // ----------------------------------------------------------------------------
 // selection and ranges
@@ -403,13 +480,74 @@ wxString wxTextCtrlBase::GetRange(long from, long to) const
     return sel;
 }
 
+// do the window-specific processing after processing the update event
+void wxTextCtrlBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
+{
+    // call inherited, but skip the wxControl's version, and call directly the
+    // wxWindow's one instead, because the only reason why we are overriding this
+    // function is that we want to use SetValue() instead of wxControl::SetLabel()
+    wxWindowBase::DoUpdateWindowUI(event);
+
+    // update text
+    if ( event.GetSetText() )
+    {
+        if ( event.GetText() != GetValue() )
+            SetValue(event.GetText());
+    }
+}
+
+// ----------------------------------------------------------------------------
+// hit testing
+// ----------------------------------------------------------------------------
+
+wxTextCtrlHitTestResult
+wxTextCtrlBase::HitTest(const wxPoint& pt, wxTextCoord *x, wxTextCoord *y) const
+{
+    // implement in terms of the other overload as the native ports typically
+    // can get the position and not (x, y) pair directly (although wxUniv
+    // directly gets x and y -- and so overrides this method as well)
+    long pos;
+    wxTextCtrlHitTestResult rc = HitTest(pt, &pos);
+
+    if ( rc != wxTE_HT_UNKNOWN )
+    {
+        PositionToXY(pos, x, y);
+    }
+
+    return rc;
+}
+
+wxTextCtrlHitTestResult
+wxTextCtrlBase::HitTest(const wxPoint& WXUNUSED(pt),
+                        long * WXUNUSED(pos)) const
+{
+    // not implemented
+    return wxTE_HT_UNKNOWN;
+}
+
+// ----------------------------------------------------------------------------
+// events
+// ----------------------------------------------------------------------------
+
+void wxTextCtrlBase::SendTextUpdatedEvent()
+{
+    wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
+
+    // do not do this as it could be very inefficient if the text control
+    // contains a lot of text and we're not using ref-counted wxString
+    // implementation -- instead, event.GetString() will query the control for
+    // its current text if needed
+    //event.SetString(GetValue());
+
+    event.SetEventObject(this);
+    GetEventHandler()->ProcessEvent(event);
+}
+
 #else // !wxUSE_TEXTCTRL
 
 // define this one even if !wxUSE_TEXTCTRL because it is also used by other
 // controls (wxComboBox and wxSpinCtrl)
-#include "wx/event.h"
 
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_UPDATED)
 
 #endif // wxUSE_TEXTCTRL/!wxUSE_TEXTCTRL
-